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13321213203 = 318124532621
BaseRepresentation
bin11000110100000000…
…11001010100010011
31021101101012202010210
430122000121110103
5204240212310303
610041503455203
7651053305164
oct143200312423
937341182123
1013321213203
115716528711
1226b92b7503
131343ab919c
149052a176b
1552e751203
hex31a019513

13321213203 has 8 divisors (see below), whose sum is σ = 17859748816. Its totient is φ = 8831743200.

The previous prime is 13321213187. The next prime is 13321213207. The reversal of 13321213203 is 30231212331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13321213203 - 24 = 13321213187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13321213203.

It is not an unprimeable number, because it can be changed into a prime (13321213207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12265768 + ... + 12266853.

It is an arithmetic number, because the mean of its divisors is an integer number (2232468602).

Almost surely, 213321213203 is an apocalyptic number.

13321213203 is a deficient number, since it is larger than the sum of its proper divisors (4538535613).

13321213203 is a wasteful number, since it uses less digits than its factorization.

13321213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24532805.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13321213203 its reverse (30231212331), we get a palindrome (43552425534).

The spelling of 13321213203 in words is "thirteen billion, three hundred twenty-one million, two hundred thirteen thousand, two hundred three".

Divisors: 1 3 181 543 24532621 73597863 4440404401 13321213203